static void print_str(char *buf, int *idx, const char *str)
{
int d = *idx;
if (width) {
int ws_len;
int i = 0;
if (align_left) {
i = width;
d += u_copy_chars(buf + d, str, &i);
ws_len = width - i;
memset(buf + d, ' ', ws_len);
d += ws_len;
} else {
int s = 0;
ws_len = width - u_str_width(str);
if (ws_len > 0) {
memset(buf + d, ' ', ws_len);
d += ws_len;
i += ws_len;
}
if (ws_len < 0) {
int w, c = -ws_len;
uchar u;
while (c > 0) {
u = u_get_char(str, &s);
w = u_char_width(u);
c -= w;
}
if (c < 0) {
/* gaah, skipped too much */
if (u_char_width(u) == 2) {
/* double-byte */
buf[d++] = ' ';
} else {
/* <xx> */
if (c == -3)
buf[d++] = hex_tab[(u >> 4) & 0xf];
if (c <= -2)
buf[d++] = hex_tab[u & 0xf];
buf[d++] = '>';
}
}
}
if (width - i > 0) {
int w = width - i;
d += u_copy_chars(buf + d, str + s, &w);
}
}
} else {
void update_status_line(struct window *win)
{
struct formatter f;
char lbuf[256];
char rbuf[256];
int lw, rw;
sf_init(&f, win);
f.misc_status = format_misc_status(win);
sf_format(&f, lbuf, sizeof(lbuf), options.statusline_left);
sf_format(&f, rbuf, sizeof(rbuf), options.statusline_right);
buf_reset(win->x, win->w, 0);
buf_move_cursor(win->x, win->y + win->h - 1);
set_builtin_color(BC_STATUSLINE);
lw = u_str_width(lbuf);
rw = u_str_width(rbuf);
if (lw + rw <= win->w) {
// both fit
buf_add_str(lbuf);
buf_set_bytes(' ', win->w - lw - rw);
buf_add_str(rbuf);
} else if (lw <= win->w && rw <= win->w) {
// both would fit separately, draw overlapping
buf_add_str(lbuf);
obuf.x = win->w - rw;
buf_move_cursor(win->x + win->w - rw, win->y + win->h - 1);
buf_add_str(rbuf);
} else if (lw <= win->w) {
// left fits
buf_add_str(lbuf);
buf_clear_eol();
} else if (rw <= win->w) {
// right fits
buf_set_bytes(' ', win->w - rw);
buf_add_str(rbuf);
} else {
buf_clear_eol();
}
}
static void print_vertical_tab_title(struct view *v, int idx, int width)
{
const char *orig_filename = buffer_filename(v->buffer);
const char *filename = orig_filename;
int max = options.tab_bar_max_components;
char buf[16];
int skip;
snprintf(buf, sizeof(buf), "%2d%s", idx + 1, buffer_modified(v->buffer) ? "+" : " ");
if (max) {
int i, count = 1;
for (i = 0; filename[i]; i++) {
if (filename[i] == '/')
count++;
}
// ignore first slash because it does not separate components
if (filename[0] == '/')
count--;
if (count > max) {
// skip possible first slash
for (i = 1; ; i++) {
if (filename[i] == '/' && --count == max) {
i++;
break;
}
}
filename += i;
}
} else {
skip = strlen(buf) + u_str_width(filename) - width + 1;
if (skip > 0)
filename += u_skip_chars(filename, &skip);
}
if (filename != orig_filename) {
// filename was shortened. add "<<" symbol
long i = strlen(buf);
u_set_char(buf, &i, 0xab);
buf[i] = 0;
}
if (v == v->window->view)
set_builtin_color(BC_ACTIVETAB);
else
set_builtin_color(BC_INACTIVETAB);
buf_add_str(buf);
buf_add_str(filename);
buf_clear_eol();
}
static int tab_title_width(int number, const char *filename)
{
return 3 + number_width(number) + u_str_width(filename);
}
